Step 1:
The first step to converting 22208.438621603 to a fraction is to re-write 22208.438621603 in the form p/q where p and q are both positive integers. To start with, 22208.438621603 can be written as simply 22208.438621603/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 22208.438621603, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 22208.438621603/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 22208.438621603/1 each by 1000000000:
Step 3:
Now the last step is to simplify the fraction (if possible) by finding similar factors and cancelling them out, which leads to the following answer for 22208.438621603 as a fraction:
155459/7 / 1